Bochs/bochs/cpu/wide_int.h

59 lines
1.8 KiB
C

/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2020 Stanislav Shwartsman
// Written by Stanislav Shwartsman [sshwarts at sourceforge net]
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
//
/////////////////////////////////////////////////////////////////////////
#ifndef BX_WIDE_INT_H
#define BX_WIDE_INT_H
#include "config.h"
#ifdef BX_LITTLE_ENDIAN
typedef
struct {
Bit64u lo;
Bit64u hi;
} Bit128u;
typedef
struct {
Bit64u lo;
Bit64s hi;
} Bit128s;
#else // must be Big Endian
typedef
struct {
Bit64u hi;
Bit64u lo;
} Bit128u;
typedef
struct {
Bit64s hi;
Bit64u lo;
} Bit128s;
#endif
extern void long_mul(Bit128u *product, Bit64u op1, Bit64u op2);
extern void long_imul(Bit128s *product, Bit64s op1, Bit64s op2);
extern void long_div(Bit128u *quotient,Bit64u *remainder,const Bit128u *dividend,Bit64u divisor);
extern void long_idiv(Bit128s *quotient,Bit64s *remainder,Bit128s *dividend,Bit64s divisor);
#endif